#252530
Closest named color: Jet (#212529). oklch(26.9% 0.02 285), rgb(37, 37, 48).
Aa
White text reads best on this color (15.15:1).
About this color
#252530 is a dark close to neutral grey. In OKLCH its lightness is 27%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.016 away. White text reads best on it, at 15.15:1.
| Hue family | Neutrals |
| Lightness | dark (27%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.38:1 |
| White text | 15.15:1 |
Values
| HEX | #252530 |
| RGB | rgb(37, 37, 48) |
| HSL | hsl(240, 13%, 17%) |
| OKLCH | oklch(26.9% 0.02 285) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #252530 | 15.15:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #252530 | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #252530 text on white | 15.15:1 | AAA | Lc 102.1 | Preferred for body text |
| #252530 text on black | 1.38:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D8D8E2
oklch(88.5% 0.014 286.1)
-
Step 300
300
#BEBFD0
oklch(80.9% 0.024 283.2)
-
Step 400
400
#9D9EB8
oklch(70.7% 0.038 283.6)
-
Step 500
500
#8686A7
oklch(63.2% 0.049 284.9)
-
Step 600
600
#706F92
oklch(55.6% 0.054 285.8)
-
Step 700
700
#5D5D7C
oklch(49.1% 0.049 284.4)
-
Step 800
800
#4C4C65
oklch(42.7% 0.041 284.5)
-
Step 900
900
#3F3F52
oklch(37.6% 0.032 284.7)
-
Step 950
950 (this color)
#252530
oklch(26.9% 0.02 285)
#252530 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #222630 | 0.006 |
| Deuteranopia (no green cones) | #222630 | 0.006 |
| Tritanopia (no blue cones) | #232729 | 0.017 |
| Achromatopsia (no color) | #262626 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #252530
#252530
oklch(26.9% 0.02 285)
- #28271B
#28271B
oklch(27% 0.021 103.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #252530, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.016
- Dark #1B2431 ΔE 0.018
- Oxford Blue #1B263B ΔE 0.025
- Space Cadet #2B2D42 ΔE 0.040
- Gunmetal #293241 ΔE 0.048
- Rich Black #0D1B2A ΔE 0.056
- Dark Brown #341C02 ΔE 0.073
- Onyx #343A40 ΔE 0.077
Use #252530 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.